Date: Wed, 24 May 2023 16:20:21 GMT From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: fa512fcd8fe7 - main - arm64: Print the spinlock count on panic Message-ID: <202305241620.34OGKLH9078856@gitrepo.freebsd.org>
next in thread | raw e-mail | index | archive | help
The branch main has been updated by andrew: URL: https://cgit.FreeBSD.org/src/commit/?id=fa512fcd8fe74d72b7f29a324c8cd3ca20ff25c8 commit fa512fcd8fe74d72b7f29a324c8cd3ca20ff25c8 Author: Andrew Turner <andrew@FreeBSD.org> AuthorDate: 2023-05-24 14:40:30 +0000 Commit: Andrew Turner <andrew@FreeBSD.org> CommitDate: 2023-05-24 16:20:06 +0000 arm64: Print the spinlock count on panic When the spinlock count is non-zero while taking a data abort we panic. Print this count to help debugging. Sponsored by: Arm Ltd --- sys/arm64/arm64/trap.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/arm64/arm64/trap.c b/sys/arm64/arm64/trap.c index 17bda56d806e..9b1b73aeb55d 100644 --- a/sys/arm64/arm64/trap.c +++ b/sys/arm64/arm64/trap.c @@ -329,7 +329,8 @@ data_abort(struct thread *td, struct trapframe *frame, uint64_t esr, print_registers(frame); print_gp_register("far", far); printf(" esr: %.16lx\n", esr); - panic("data abort with spinlock held"); + panic("data abort with spinlock held (spinlock count %d != 0)", + td->td_md.md_spinlock_count); } #endif if (td->td_critnest != 0 || WITNESS_CHECK(WARN_SLEEPOK |
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202305241620.34OGKLH9078856>